Buckle



FIG. 1 is a perspective view of a buckle showing the claimed design andshowing the claimed design in a usage state;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is another perspective view showing the buckle being in anotherusage state.

The broken lines are directed to environment and are for illustrativepurpose only; the broken lines form no part of the claimed design.

CLAIM The ornamental design for a buckle, as shown and described.